US7466799B2 - X-ray tube having an internal radiation shield - Google Patents
X-ray tube having an internal radiation shield Download PDFInfo
- Publication number
- US7466799B2 US7466799B2 US10/409,854 US40985403A US7466799B2 US 7466799 B2 US7466799 B2 US 7466799B2 US 40985403 A US40985403 A US 40985403A US 7466799 B2 US7466799 B2 US 7466799B2
- Authority
- US
- United States
- Prior art keywords
- radiation shield
- ray tube
- anode
- housing
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005855 radiation Effects 0.000 title claims description 56
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 25
- 239000010937 tungsten Substances 0.000 claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 2
- 238000004846 x-ray emission Methods 0.000 abstract description 10
- 230000002829 reductive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005245 sintering Methods 0.000 description 6
- 238000011109 contamination Methods 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
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- 239000000843 powder Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- OWUGOENUEKACGV-UHFFFAOYSA-N [Fe].[Ni].[W] Chemical compound [Fe].[Ni].[W] OWUGOENUEKACGV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- HHIQWSQEUZDONT-UHFFFAOYSA-N tungsten Chemical compound [W].[W].[W] HHIQWSQEUZDONT-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/16—Vessels; Containers; Shields associated therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/16—Vessels
- H01J2235/165—Shielding arrangements
- H01J2235/166—Shielding arrangements against electromagnetic radiation
Abstract
Description
Claims (28)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/409,854 US7466799B2 (en) | 2003-04-09 | 2003-04-09 | X-ray tube having an internal radiation shield |
EP04749885.2A EP1611590B1 (en) | 2003-04-09 | 2004-04-08 | X-ray tube having an internal radiation shield |
PCT/US2004/010848 WO2004093117A2 (en) | 2003-04-09 | 2004-04-08 | X-ray tube having an internal radiation shield |
JP2006509817A JP4644187B2 (en) | 2003-04-09 | 2004-04-08 | X-ray tube with internal radiation shield |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/409,854 US7466799B2 (en) | 2003-04-09 | 2003-04-09 | X-ray tube having an internal radiation shield |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040202282A1 US20040202282A1 (en) | 2004-10-14 |
US7466799B2 true US7466799B2 (en) | 2008-12-16 |
Family
ID=33130665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/409,854 Expired - Lifetime US7466799B2 (en) | 2003-04-09 | 2003-04-09 | X-ray tube having an internal radiation shield |
Country Status (4)
Country | Link |
---|---|
US (1) | US7466799B2 (en) |
EP (1) | EP1611590B1 (en) |
JP (1) | JP4644187B2 (en) |
WO (1) | WO2004093117A2 (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090154651A1 (en) * | 2005-10-07 | 2009-06-18 | Hamamatsu Photonics K.K. | X-ray tube and x-ray source including same |
US20100002841A1 (en) * | 2008-07-01 | 2010-01-07 | Ali Jaafar | Field emission x-ray apparatus, methods, and systems |
US20120257721A1 (en) * | 2010-03-26 | 2012-10-11 | Xl Co., Ltd. | X-ray tube having non-evaporable getter |
US20130083899A1 (en) * | 2011-09-30 | 2013-04-04 | Varian Medical Systems, Inc. | Dual-energy x-ray tubes |
US20130308754A1 (en) * | 2012-05-15 | 2013-11-21 | Canon Kabushiki Kaisha | Radiation generating target, radiation generating tube, radiation generating apparatus, and radiation imaging system |
US20140093047A1 (en) * | 2012-10-02 | 2014-04-03 | Hamamatsu Photonics Kabushiki Kaisha | X-ray Tube |
US20140133635A1 (en) * | 2005-10-25 | 2014-05-15 | Edward James Morton | Graphite backscattered electron shield for use in an x-ray tube |
US20140211923A1 (en) * | 2012-01-06 | 2014-07-31 | Tsinghua University | Installation case for radiation device, oil-cooling circulation system and x-ray generator |
US20140283385A1 (en) * | 2011-10-04 | 2014-09-25 | Nikon Corporation | X-ray device, x-ray irradiation method, and manufacturing method for structure |
US9263225B2 (en) | 2008-07-15 | 2016-02-16 | Rapiscan Systems, Inc. | X-ray tube anode comprising a coolant tube |
US9420677B2 (en) | 2009-01-28 | 2016-08-16 | Rapiscan Systems, Inc. | X-ray tube electron sources |
US20170095677A1 (en) * | 2015-10-02 | 2017-04-06 | Varian Medical Systems, Inc. | Systems and methods for treating a skin condition using radiation |
US9726619B2 (en) | 2005-10-25 | 2017-08-08 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
DE102017127372A1 (en) * | 2017-11-21 | 2019-05-23 | Smiths Heimann Gmbh | Anode head for X-ray generator |
US10349505B2 (en) * | 2015-07-22 | 2019-07-09 | Siemens Healthcare Gmbh | High-voltage supply and an x-ray emitter having the high-voltage supply |
US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
US10825640B2 (en) | 2018-04-12 | 2020-11-03 | Hamamatsu Photonics K.K. | X-ray tube |
US10901112B2 (en) | 2003-04-25 | 2021-01-26 | Rapiscan Systems, Inc. | X-ray scanning system with stationary x-ray sources |
US10976271B2 (en) | 2005-12-16 | 2021-04-13 | Rapiscan Systems, Inc. | Stationary tomographic X-ray imaging systems for automatically sorting objects based on generated tomographic images |
US20210305003A1 (en) * | 2020-03-31 | 2021-09-30 | Energetiq Technology, Inc. | X-ray generation apparatus |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8331535B2 (en) * | 2003-04-25 | 2012-12-11 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
US8094784B2 (en) | 2003-04-25 | 2012-01-10 | Rapiscan Systems, Inc. | X-ray sources |
US7068749B2 (en) * | 2003-05-19 | 2006-06-27 | General Electric Company | Stationary computed tomography system with compact x ray source assembly |
US20070121776A1 (en) * | 2005-11-30 | 2007-05-31 | General Electric Company | System and method for multiple usage tooling for pressurized water reactor |
US7661445B2 (en) * | 2005-12-19 | 2010-02-16 | Varian Medical Systems, Inc. | Shielded cathode assembly |
JP4878311B2 (en) * | 2006-03-03 | 2012-02-15 | キヤノン株式会社 | Multi X-ray generator |
US7881436B2 (en) * | 2008-05-12 | 2011-02-01 | General Electric Company | Method and apparatus of differential pumping in an x-ray tube |
GB0816823D0 (en) | 2008-09-13 | 2008-10-22 | Cxr Ltd | X-ray tubes |
CN103620695B (en) * | 2011-07-04 | 2017-08-01 | 利乐拉瓦尔集团及财务有限公司 | Electron beam device |
JP5871528B2 (en) | 2011-08-31 | 2016-03-01 | キヤノン株式会社 | Transmission X-ray generator and X-ray imaging apparatus using the same |
JP5916106B2 (en) * | 2012-03-27 | 2016-05-11 | 株式会社リガク | X-ray generator with exhaust equipment |
US20130322602A1 (en) * | 2012-05-31 | 2013-12-05 | General Electric Company | Internal shielding x-ray tube |
US9728370B2 (en) * | 2015-01-30 | 2017-08-08 | Varex Imaging Corporation | Focusing structures with non-rectilinear focusing apertures |
WO2017095422A1 (en) * | 2015-12-03 | 2017-06-08 | Varian Medical Systems, Inc. | X-ray assembly |
US10512146B2 (en) | 2017-06-22 | 2019-12-17 | General Electric Company | X-ray tube casing |
US10806014B2 (en) | 2017-06-22 | 2020-10-13 | GE Precision Healthcare LLC | X-ray tube casing with integral heat exchanger |
US10916401B2 (en) | 2018-03-30 | 2021-02-09 | Fujifilm Corporation | X-ray tube |
JP2019179713A (en) | 2018-03-30 | 2019-10-17 | 富士フイルム株式会社 | X-ray tube |
US10910190B2 (en) * | 2019-01-10 | 2021-02-02 | Electronics And Telecommunications Research Institute | X-ray tube |
Citations (22)
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US3679927A (en) * | 1970-08-17 | 1972-07-25 | Machlett Lab Inc | High power x-ray tube |
US4184097A (en) | 1977-02-25 | 1980-01-15 | Magnaflux Corporation | Internally shielded X-ray tube |
US4573186A (en) * | 1982-06-16 | 1986-02-25 | Feinfocus Rontgensysteme Gmbh | Fine focus X-ray tube and method of forming a microfocus of the electron emission of an X-ray tube hot cathode |
US4588493A (en) * | 1984-09-17 | 1986-05-13 | Blumenthal Robert N | Hot gas measuring probe |
US4679219A (en) * | 1984-06-15 | 1987-07-07 | Kabushiki Kaisha Toshiba | X-ray tube |
US4771447A (en) * | 1985-04-30 | 1988-09-13 | Nippon Telegraph And Telephone Corporation | X-ray source |
US5031200A (en) * | 1989-08-07 | 1991-07-09 | General Electric Cgr Sa | Cathode for an X-ray tube and a tube including such a cathode |
US5563923A (en) * | 1994-04-26 | 1996-10-08 | Hamamatsu Photonics K. K. | X-ray tube |
US5617464A (en) * | 1994-08-29 | 1997-04-01 | Siemens Aktiengesellschaft | Cathode system for an x-ray tube |
US5680433A (en) * | 1995-04-28 | 1997-10-21 | Varian Associates, Inc. | High output stationary X-ray target with flexible support structure |
US5751784A (en) * | 1996-09-27 | 1998-05-12 | Kevex X-Ray | X-ray tube |
US5780164A (en) * | 1994-12-12 | 1998-07-14 | The Dow Chemical Company | Computer disk substrate, the process for making same, and the material made therefrom |
US5857008A (en) * | 1995-03-20 | 1999-01-05 | Reinhold; Alfred | Microfocus X-ray device |
US6030681A (en) * | 1997-07-10 | 2000-02-29 | Raychem Corporation | Magnetic disk comprising a substrate with a cermet layer on a porcelain |
US6229876B1 (en) * | 1999-07-29 | 2001-05-08 | Kevex X-Ray, Inc. | X-ray tube |
US6282262B1 (en) * | 1999-11-10 | 2001-08-28 | Varian Medical Systems, Inc. | X-ray tube and method of manufacture |
US6327328B1 (en) * | 1998-06-26 | 2001-12-04 | Hitachi, Ltd. | Computerized tomography system |
US6381305B1 (en) * | 1998-02-06 | 2002-04-30 | Hamamatsu Photonics K.K. | X-ray tube having a hood electrode |
US6385294B2 (en) * | 1998-07-30 | 2002-05-07 | Hamamatsu Photonics K.K. | X-ray tube |
US6526122B2 (en) * | 1998-07-09 | 2003-02-25 | Hamamatsu Photonics K.K. | X-ray tube |
US6674838B1 (en) * | 2001-11-08 | 2004-01-06 | Varian Medical Systems, Inc. | X-ray tube having a unitary vacuum enclosure and housing |
US6830827B2 (en) * | 2000-03-07 | 2004-12-14 | Ebara Corporation | Alloy coating, method for forming the same, and member for high temperature apparatuses |
Family Cites Families (10)
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DE473930C (en) * | 1925-10-26 | 1929-03-27 | Siemens Reiniger Veifa Ges Fue | Roentgen tubes with a diaphragm body arranged close to the focal point |
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JPS5725660A (en) * | 1980-07-21 | 1982-02-10 | Toshiba Corp | X-ray tube |
JPS605501Y2 (en) * | 1981-11-27 | 1985-02-20 | 株式会社 東芝 | x-ray tube |
US4736379A (en) * | 1985-12-06 | 1988-04-05 | Coherent, Inc. | Conduction cooled ion laser |
JPS6244449Y2 (en) * | 1986-12-17 | 1987-11-24 | ||
US6115454A (en) * | 1997-08-06 | 2000-09-05 | Varian Medical Systems, Inc. | High-performance X-ray generating apparatus with improved cooling system |
US6463123B1 (en) * | 2000-11-09 | 2002-10-08 | Steris Inc. | Target for production of x-rays |
JP2003007237A (en) * | 2001-06-25 | 2003-01-10 | Shimadzu Corp | X-ray generator |
-
2003
- 2003-04-09 US US10/409,854 patent/US7466799B2/en not_active Expired - Lifetime
-
2004
- 2004-04-08 JP JP2006509817A patent/JP4644187B2/en not_active Expired - Lifetime
- 2004-04-08 WO PCT/US2004/010848 patent/WO2004093117A2/en active Application Filing
- 2004-04-08 EP EP04749885.2A patent/EP1611590B1/en not_active Expired - Lifetime
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US4184097A (en) | 1977-02-25 | 1980-01-15 | Magnaflux Corporation | Internally shielded X-ray tube |
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US4588493A (en) * | 1984-09-17 | 1986-05-13 | Blumenthal Robert N | Hot gas measuring probe |
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Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
US10901112B2 (en) | 2003-04-25 | 2021-01-26 | Rapiscan Systems, Inc. | X-ray scanning system with stationary x-ray sources |
US11796711B2 (en) | 2003-04-25 | 2023-10-24 | Rapiscan Systems, Inc. | Modular CT scanning system |
US20090154651A1 (en) * | 2005-10-07 | 2009-06-18 | Hamamatsu Photonics K.K. | X-ray tube and x-ray source including same |
US7664229B2 (en) * | 2005-10-07 | 2010-02-16 | Hamamatsu Photonics K.K. | X-ray tube and x-ray source including same |
US9208988B2 (en) * | 2005-10-25 | 2015-12-08 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
US9726619B2 (en) | 2005-10-25 | 2017-08-08 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
US20140133635A1 (en) * | 2005-10-25 | 2014-05-15 | Edward James Morton | Graphite backscattered electron shield for use in an x-ray tube |
US10976271B2 (en) | 2005-12-16 | 2021-04-13 | Rapiscan Systems, Inc. | Stationary tomographic X-ray imaging systems for automatically sorting objects based on generated tomographic images |
US8005191B2 (en) | 2008-07-01 | 2011-08-23 | Minnesota Medical Physics Llc | Field emission X-ray apparatus, methods, and systems |
US7965818B2 (en) * | 2008-07-01 | 2011-06-21 | Minnesota Medical Physics Llc | Field emission X-ray apparatus, methods, and systems |
US20100002840A1 (en) * | 2008-07-01 | 2010-01-07 | Ali Jaafar | Field emission x-ray apparatus, methods, and systems |
US20100002841A1 (en) * | 2008-07-01 | 2010-01-07 | Ali Jaafar | Field emission x-ray apparatus, methods, and systems |
US9263225B2 (en) | 2008-07-15 | 2016-02-16 | Rapiscan Systems, Inc. | X-ray tube anode comprising a coolant tube |
US9420677B2 (en) | 2009-01-28 | 2016-08-16 | Rapiscan Systems, Inc. | X-ray tube electron sources |
US20120257721A1 (en) * | 2010-03-26 | 2012-10-11 | Xl Co., Ltd. | X-ray tube having non-evaporable getter |
US9324536B2 (en) * | 2011-09-30 | 2016-04-26 | Varian Medical Systems, Inc. | Dual-energy X-ray tubes |
US20130083899A1 (en) * | 2011-09-30 | 2013-04-04 | Varian Medical Systems, Inc. | Dual-energy x-ray tubes |
US10705030B2 (en) * | 2011-10-04 | 2020-07-07 | Nikon Corporation | X-ray device, X-ray irradiation method, and manufacturing method for structure |
US20140283385A1 (en) * | 2011-10-04 | 2014-09-25 | Nikon Corporation | X-ray device, x-ray irradiation method, and manufacturing method for structure |
US20140211923A1 (en) * | 2012-01-06 | 2014-07-31 | Tsinghua University | Installation case for radiation device, oil-cooling circulation system and x-ray generator |
US9420676B2 (en) * | 2012-01-06 | 2016-08-16 | Nuctech Company Limited | Installation case for radiation device, oil-cooling circulation system and x-ray generator |
US20130308754A1 (en) * | 2012-05-15 | 2013-11-21 | Canon Kabushiki Kaisha | Radiation generating target, radiation generating tube, radiation generating apparatus, and radiation imaging system |
US9263227B2 (en) * | 2012-10-02 | 2016-02-16 | Futaba Corporation | X-ray tube |
US20140093047A1 (en) * | 2012-10-02 | 2014-04-03 | Hamamatsu Photonics Kabushiki Kaisha | X-ray Tube |
US10349505B2 (en) * | 2015-07-22 | 2019-07-09 | Siemens Healthcare Gmbh | High-voltage supply and an x-ray emitter having the high-voltage supply |
US10556129B2 (en) * | 2015-10-02 | 2020-02-11 | Varian Medical Systems, Inc. | Systems and methods for treating a skin condition using radiation |
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Also Published As
Publication number | Publication date |
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EP1611590A2 (en) | 2006-01-04 |
JP4644187B2 (en) | 2011-03-02 |
WO2004093117A3 (en) | 2005-09-01 |
WO2004093117A2 (en) | 2004-10-28 |
EP1611590A4 (en) | 2009-11-11 |
JP2006523005A (en) | 2006-10-05 |
US20040202282A1 (en) | 2004-10-14 |
EP1611590B1 (en) | 2014-06-11 |
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